Fetch API: keepalive

Category: Network / Connectivity
Type: New or changed feature
Status: Enabled by default (Chrome 66)
Intent stage: None

Summary

This option instructs fetch() to perform resource fetching with the keepalive flag set for non-blocking event reporting, analytics, etc. as well as the Beacon API (SendBeacon).

Standards & signals

Specification: https://fetch.spec.whatwg.org/#ref-for-dom-request-keepalive
Firefox: No signal
Safari: In development
Web developers: No signals
Tracking bug: https://crbug.com/695939

Docs: https://docs.google.com/document/d/1iHJtFa3jOo5n9QXHb6Ok5nK8kavXSk2DrLoubPWi9ys/edit

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